ST. LOUIS Officials of the World Aquarium at the City Museum subscribe wholeheartedly to the maxim that two heads are better than one. If they're on the same animal, that is. Aquarium officials hope ...

Snakes have long scared and fascinated people with their mysterious nature, sleek movements, and often misunderstood behaviours. Among all their interesting traits, the idea of a snake having two ...

A fossil unearthed two decades ago in northeastern China has captured renewed scientific attention this summer after researchers confirmed it as the oldest known case of polycephaly—a congenital ...